@book{19374,
	author = {The American Phytophatological Society. St. Paul, Minn.},
	title = {Powdery mildews (Diapositiva)},
	publisher = {Cornell University,},
	year = {(s.a)},
	series = {Plant diasease profiles ser. 2},
	address = {Ithaca :},
	note = {Nota explicativa 5 p.}
}